“cropping systems in medieval Europe”的概念、定义、翻译、参考文献-科学参考

单词	cropping systems in medieval Europe
释义	cropping systems in medieval Europe Encyclopedia 管理学中世纪农业经济史思想史释 cropping systems in medieval Europe中世纪欧洲土地耕作制度中世纪欧洲的封建领主在庄园内通过分配给农奴份地，以条田为最小单位，实行强迫轮作制、休闲耕作制（分为二圃制和三圃制）和敞地制等，对农奴进行压榨和剥削的规则体系。
随便看	lowest unoccupied molecular orbit lowest unoccupied molecular orbital lowest unoccupied molecular orbital (LUMO) lowest unoccupied molecular orbit, LUMO lowest upper bound low expansion alloys low-expansion glass low explosive train (pyrotechnic train) low extraction drug low fertility trap Low-Fidelity Prototype low fidelity prototype low field magnetic stimulation low flow low flow forecasting low flow investigation low flow sampler low frequency low-frequency amplifier Low Frequency Array low frequency decrease load low frequency disturbance processing low frequency exciting force low-frequency filter low frequency fluctuation

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